#include "apue.h"

int main(void) {
    char *ptr;
    size_t size;

    if (chdir("/lib") < 0)
        err_sys("chdir failed");
    ptr = path_alloc(&size);
    if (getcwd(ptr, size) == NULL)
        err_sys("getcwd failed");
    printf("cwd = %s\n", ptr);
}